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Can you help with booting problems/new system?

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HammerSmashedPC   04-14-2006 at 10:02:52 PM

Hi,

Just put together a new PC, having trouble booting up, any recommendations more than welcome...

AMD Athlon 64 X2 4400+ Dual Core cpu
2GB Crucial RAM
Connect3d ATI Radeon X1900XTX gfx card
300GB Maxtor DiamondMax 6L300S0 hard drive
Asus A8R32-MVP Deluxe SKT939 RD580 motherboard
Samsung SM913N 19" TFT monitor
Sony DRU-810A 16xdual layer dvdrw

Antec PSU True Blue 480w psu*

*this appears to be the problem - need to clarify.

The graphics card is a bit of a power sucker - when we pull out its 6 pin PCI express connector, the system boots up - but obviously quickly gives us the message on screen that the gfx card is disconnected.

So after turning off and connecting back up, the system just fails to run any longer than a split second. We tried with a 650W psu - and we get exactly the same.

The antec psu runs at 480w, dual 12v rails, 28A - is it simply the amps - is this what needs to be cranked up? I also read elsewhere that the card doesn't like dual rails?!?

Its also worth mentioning that the PC is to be used as a digital audio workstation in the near future.

What PSU are we talking about here?

Thanks guys

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Vascular   04-14-2006 at 10:44:43 PM
- 0 +

Couple of tips:
1- Make sure cpu is seated correctly. (just because the cooler is not falling off does not mean it is seated correctly)

2- Check your ram pull one out and swap till you know it not them.

3- Make sure you cpu 4 pin power connector is connected next to the cpu.

4- Make sure you dont have any extra brass stand offs incorrectly places or missing.

5- Make sure your video card is in the top pci-e slot.

6- Running sata are you using the power sata quick connector or molex 4 pin.

7- If you are running sata plug into sata1.

8- cd and dvd drives should be plugged into correct ide channel(ie NOT the blue one).

9- Make sure your power supply is set for 110v and NOT 220v.

Note: Your power supply should be fine. If you dont beleive here is a calculator. http://extreme.outervision.com/psucalculator.jsp Since you have checked with another power supply it is obviously not your power supply.

Reply to Vascular
HammerSmashedPC   04-15-2006 at 02:06:36 PM
- 0 +

Thanks for reply, will go through that list more throughly - but am pretty sure most if not all bases were covered...

Tried booting it with 1 stick of RAM, still nothing...

The power supply must be 230v in the country I am in (not US).

The first thing I noticed when clicking that link was the following:

"ATTENTION
The total Watts is important but the Total Amperage Available on the +12V Rail(s) is the most important, followed by the +5V amperage and then the +3.3V amperage. Because of the increased power consumption of the new high-power video cards the recommended minimum for +12V is 26A, for SLI 35A."

Being an x1900xtx - the amps on the 12v rail appear to be just to little - the 650w +12v rating was 25A - if this makes sense - any recommendations?

Reply to HammerSmashedPC
mdd1963   04-15-2006 at 03:16:41 PM
- 0 +

YOu can free up a little bit of power by disconnecting power inputs to all hadr drives, burners, etc., then checking for power on/POST with PCI-e pwr connected...

your psu might be marginal, although there are a few makers making auxillary video card PSUs that occupy a 5" bay slot, Thermaltake is one that comes to mind....

As to wether those are any less expensive than simply getting yet another psu, I'm not sure...

(Hard to believe a 650 watt psu is insufficient for a single 1900XTX, isn';t it?)

Reply to mdd1963
Vascular   04-15-2006 at 06:46:11 PM
- 0 +

You are using the 6 pin off the power supply?
You are using all 24 pins for the motherboard?

Im guessing you dont have and extra pci-e video card laying around.

If nothing works try pulling everything from the case and place on a non conductive surface and try to start system.

Reply to Vascular
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